diff --git a/package/network/services/umdns/files/umdns.json b/package/network/services/umdns/files/umdns.json
index e941b223a8..92f1a17b52 100644
--- a/package/network/services/umdns/files/umdns.json
+++ b/package/network/services/umdns/files/umdns.json
@@ -21,6 +21,7 @@
 				"fstat",
 				"getsockname",
 				"ioctl",
+				"madvise",
 				"mmap",
 				"mmap2",
 				"munmap",